
mineral
Jasper
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and microcrystalline quartz structure.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and microcrystalline quartz structure.
Formation & geological history
Formed via the precipitation of silica-rich fluids in sedimentary or volcanic environments over millions of years.
Uses & applications
Commonly used in ornamental carvings, cabochons, jewelry, and as a collectible decorative stone.
Geological facts
Jasper has been used since ancient times for seals, talismans, and weaponry due to its toughness.
Field identification & locations
Identified by its conchoidal fracture and opaque colors; found worldwide in riverbeds, hydrothermal veins, and sedimentary deposits.